CVR Calc is a specialized tool created for healthcare professionals in the Vascular Access and Infusion Therapy field. Developed by clinicians, this iPhone application offers a simple yet essential function of calculating accurate catheter to vessel ratios. It serves as a valuable resource for clinicians looking to monitor the area consumed within the intravascular space by the catheter, catering to both venous and arterial devices.

This user-friendly tool enables clinicians to swiftly perform area-based calculations during patient assessments, aiding in determining the appropriate vessel size for intravascular device insertion. Covering a range of devices including peripheral intravenous and central venous access devices, CVR Calc ensures precise calculations for Gauge and French sizes, enhancing the efficiency of healthcare professionals.